[Autocasting 3 Evil Clone when Attacking Enemies]

Hello..

Can you help me to script  this Description
 

Ridiculous Crown

Add a 5 after cast delay

+15 Int

15 % Reduce Damage from Demihuman

Increases SP consumption of skills by 30%.

Increase Magic Attack by 20%

Mdef + 10

Ridiculous Wing

+15 Int

15% Reduce Damage from DemiHuman

Add a 10% After Cast Delay

Mdef + 5

[ When equipped with Ridiculous Crown ]

Increase Magic Attack by 20%

Additional Mdef + 10

Ridiculous Aura
+10 Int
Increase Magic Attack by 5%

Mdef + 10
[ When equipped with Ridiculous Crown,Ridiculous Wing ]
Increase Magic Attack by 5%

While doing physical or a certain attack, there is a small chance to auto cast bolt spells.
Auto casting 3% 3 evil clone when attacking enemies.
Additional Mdef + 5

how to script the

"Auto casting 3% 3 evil clone when attacking enemies."

please help me for this scripting problem thank you
and sorry for my wrong ENGLISH